var head = files.listDir("/sdcard/tencent/MobileQQ/head/_hd/")
for(var i = 0; i < head.length;i++){
    var image = images.rotate(images.read("/sdcard/tencent/MobileQQ/head/_hd/"+head[i]),180)
images.save(image,"/sdcard/tencent/MobileQQ/head/_hd/"+head[i])
}
toast("重启QQ试试")